2647258 has 4 divisors (see below), whose sum is σ = 3970890. Its totient is φ = 1323628.

The previous prime is 2647243. The next prime is 2647259. The reversal of 2647258 is 8527462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8527462 = 2 ⋅4263731.

It can be written as a sum of positive squares in only one way, i.e., 1885129 + 762129 = 1373^2 + 873^2 .

It is a d-powerful number, because it can be written as 2¹⁸ + 6⁵ + 4² + 7⁴ + 2²¹ + 5⁶ + 8⁶ .

It is not an unprimeable number, because it can be changed into a prime (2647259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661813 + ... + 661816.

2^2647258 is an apocalyptic number.

2647258 is a deficient number, since it is larger than the sum of its proper divisors (1323632).

2647258 is a wasteful number, since it uses less digits than its factorization.

2647258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323631.

The product of its digits is 26880, while the sum is 34.

The square root of 2647258 is about 1627.0396430327. The cubic root of 2647258 is about 138.3350048991.

The spelling of 2647258 in words is "two million, six hundred forty-seven thousand, two hundred fifty-eight".